With the help of deep study of biodiesel fuel, I came to analyse its one of the most prominent and anticipated property. Although biodiesel fuel can provides the function to the engine same as diesel, It will be the result in saving yet there is another fact is that biodiesel fuel is not harmful for our enviroment as well as not terrible for the human health. There fact is reveals its dual significance that on the one hand one can enjoy the saving of its fuel on the other hand its burning is not harmfull for the enviroment. By the above facts, one must be successfully realizes its significance and make serious efforts towards Homemade Biodiesel.